WO2022233167A1 - 一种饮品冲泡设备及其管路系统和工作方法 - Google Patents

一种饮品冲泡设备及其管路系统和工作方法 Download PDF

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Publication number
WO2022233167A1
WO2022233167A1 PCT/CN2022/076107 CN2022076107W WO2022233167A1 WO 2022233167 A1 WO2022233167 A1 WO 2022233167A1 CN 2022076107 W CN2022076107 W CN 2022076107W WO 2022233167 A1 WO2022233167 A1 WO 2022233167A1
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WIPO (PCT)
Prior art keywords
pipeline
fluid pipeline
fluid
beverage
liquid
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PCT/CN2022/076107
Other languages
English (en)
French (fr)
Inventor
王照亮
朱梅生
Original Assignee
苏州咖乐美咖啡机科技有限公司
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Application filed by 苏州咖乐美咖啡机科技有限公司 filed Critical 苏州咖乐美咖啡机科技有限公司
Priority to KR1020237017748A priority Critical patent/KR20230098249A/ko
Priority to EP22798509.0A priority patent/EP4226819A4/en
Priority to JP2023532191A priority patent/JP2023551263A/ja
Publication of WO2022233167A1 publication Critical patent/WO2022233167A1/zh

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    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
    • A47J31/00—Apparatus for making beverages
    • A47J31/44—Parts or details or accessories of beverage-making apparatus
    • A47J31/46—Dispensing spouts, pumps, drain valves or like liquid transporting devices
    • A47J31/469—Details of hydraulic circuits
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
    • A47J31/00—Apparatus for making beverages
    • A47J31/44—Parts or details or accessories of beverage-making apparatus
    • A47J31/46—Dispensing spouts, pumps, drain valves or like liquid transporting devices
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
    • A47J31/00—Apparatus for making beverages
    • A47J31/44—Parts or details or accessories of beverage-making apparatus
    • A47J31/46—Dispensing spouts, pumps, drain valves or like liquid transporting devices
    • A47J31/461—Valves, e.g. drain valves
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
    • A47J31/00—Apparatus for making beverages
    • A47J31/44—Parts or details or accessories of beverage-making apparatus
    • A47J31/60—Cleaning devices

Definitions

  • the invention belongs to the technical field of beverage brewing equipment, and in particular relates to a beverage brewing equipment and its pipeline system and working method.
  • Coffee beverages (such as espresso, cappuccino, milk coffee, white coffee or flavored coffee) are very common and popular today and can be obtained in many different ways, especially depending on the Way.
  • Coffee machines for making coffee beverages and methods for making coffee beverages in coffee machines are well known in the prior art.
  • parameters such as temperature and pressure are set by the host control unit, and hot water of a certain temperature is introduced into the brewing unit or brewing container containing ground coffee at a certain pressure, and is introduced through the pipeline after the brewing is completed. container for drinking.
  • the purpose of the present invention is to provide a pipeline system of a beverage brewing device, which controls the pipe to be emptied or to remove liquid after the beverage is made or cleaned, etc.
  • the fluid in the circuit is switched on and off, so as to discharge the residual drink or liquid in the pipeline, preventing the drink from flowing into the drink cup when the drink is made next time, which affects the taste and quality of the drink.
  • a pipeline system of a beverage brewing device includes a host control unit, a brewing unit, a first fluid pipeline, a control assembly and a second fluid pipeline.
  • One end of the first fluid pipeline is connected to the brewing unit for outputting beverages from the brewing unit to the beverage outlet;
  • one end of the second fluid pipeline is connected to the first fluid pipeline, and the connection point is located at the brewing unit.
  • the control assembly is installed on the pipeline, and is used to control the connection and disconnection of the first fluid pipeline and the second fluid pipeline to empty the pipeline or drain the liquid, the The control assembly is controlled by the host control unit.
  • a shock is formed in the pipeline system.
  • Multiple sets of fluid passages from the brewing unit to the first fluid pipeline, the brewing unit to the second fluid pipeline, the beverage outlet to the second fluid pipeline, and the second fluid pipeline to the beverage outlet, and the control components are used to control the above-mentioned multiple channels.
  • the on-off of the fluid passage of the group is controlled, so as to control the flow direction of the liquid in the pipeline, and play the role of emptying the pipeline or removing the liquid.
  • the control component can empty the second part of the first fluid pipeline through the second fluid pipeline. At this time, the control component makes the fluid passage from the beverage outlet to the second fluid pipeline unobstructed, and the position of the outlet end of the second fluid pipeline is The position is lower than the beverage outlet, so that the liquid in the pipeline can flow out from the second fluid pipeline by means of gravity.
  • the control assembly opens the second fluid line so that the liquid is drained.
  • the control assembly can empty the second part of the first fluid line through the first fluid line. At this time, the control assembly makes the fluid passage from the beverage outlet to the first fluid line unobstructed, and the second fluid line is connected to the first fluid line.
  • the outlet end On the upper end of a fluid pipeline, the outlet end is upward or the position of the outlet end is higher than the position of the beverage outlet, so that the liquid in the pipeline can flow out from the first fluid pipeline by means of gravity.
  • the brewing unit is connected with a liquid inlet fluid pipeline or a gas pipeline directly or indirectly connected to the outside world.
  • the inlet fluid pipeline is defined as the third fluid pipeline. Since the inner wall of the brewing unit often adheres to some residues such as coffee powder or liquid droplets such as coffee during the brewing process, the first part of the first fluid pipeline also has residual liquid; all the residues or liquid droplets in the brewing unit, The liquid remaining in the first part of the first fluid pipeline will affect the quality of subsequent beverages.
  • a cleaning liquid is introduced into the brewing unit through the third fluid pipeline for cleaning the brewing unit and the first fluid pipeline, and the cleaning liquid is preferably clean water.
  • the residual liquid originally existing in the first part of the first fluid pipeline, the brewing unit and the cleaning liquid in the first part of the first fluid pipeline can be controlled by the control assembly down through the first or second fluid line. It is also possible to clean the brewing unit, all or part of the first fluid line by feeding the cleaning liquid through the third fluid line, the cleaning liquid in the second part of the first fluid line passing under the control of the control assembly Either the first or second fluid line drains. It is also possible to make the brewing unit and the first part of the first fluid pipeline communicate with the outside atmospheric pressure through the gas pipeline of the brewing unit. Either one or the second liquid line drains.
  • the third fluid pipeline and the gas pipeline for inputting the clean liquid to the brewing unit use the liquid inlet fluid pipeline and gas pipeline in the prior art, which is beneficial to simplify the structure, and in practice, additional pipelines can also be connected .
  • control component is any of the following:
  • the control component is an emptying pump.
  • the emptying pump is arranged on the second fluid pipeline. After the beverage is made, the emptying pump is turned on to generate suction, and the residual beverage in the first fluid pipeline enters from the beverage outlet under the action of suction.
  • the second fluid pipeline is discharged into the collection container; during the cleaning process of the brewing unit, the emptying pump is turned on, and the cleaning liquid is pumped into the second fluid pipeline and discharged into the collection container; the brewing unit,
  • the first part of the first fluid pipeline is in communication with the external atmospheric pressure, so that the liquid in the first part of the first fluid pipeline is discharged through the second fluid pipeline.
  • the control assembly is a two-way valve, the two-way valve includes a first solenoid valve and a second solenoid valve, the first solenoid valve is mounted on the second part of the first fluid pipeline, and the second solenoid valve is mounted on the on the second fluid line.
  • first solenoid valve When making a drink, open the first solenoid valve and close the second solenoid valve. The drink flows into the drink container through the first fluid pipeline. After the preparation is completed, the second solenoid valve is opened, and air is introduced into the pipeline. The residual beverage in the two-part line flows out through the first or second fluid line.
  • the control assembly is a three-way valve, and the three-way valve is installed at the connection between the first fluid pipeline and the second fluid pipeline.
  • the liquid flow direction is adjusted by controlling the on-off of the three valve ports in the three-way valve.
  • the three-way valve is a two-position three-way normally open solenoid valve, wherein the normal opening is connected to the outlet end of the first fluid pipeline.
  • a beverage brewing device includes the piping system of any of the above-mentioned beverage brewing devices.
  • the working method of the pipeline system of the above-mentioned beverage brewing equipment includes the following steps:
  • the host control unit starts the corresponding working mode according to the selection
  • the control component of the pipeline system switches the first fluid pipeline and the second fluid pipeline on and off according to the selected working mode setting to drive the emptying pipeline or discharge the liquid;
  • the control component is automatically reset after the set time or after the next start of the beverage brewing device.
  • the above working modes include one or more of Mode 1, Mode 2 and Mode 3.
  • the mode 1 is to empty the liquid in the second part of the first fluid pipeline; the second mode is to empty the entire first fluid pipeline.
  • the liquid in the fluid pipeline; the third mode is used to remove the cleaning liquid when cleaning part or all of the brewing unit and the first fluid pipeline, and to empty the first fluid pipeline after cleaning.
  • the first mode includes step S3a: switching the control assembly to make the beverage outlet to the second fluid pipeline unblocked, and emptying the liquid in the second part of the first fluid pipeline, at this time, the pipeline is connected to air, and the first fluid pipeline is filled with air.
  • the liquid in the second part of the fluid line is evacuated through the first fluid line or the second fluid line.
  • the second mode is steps S3a+S3b, wherein S3b is: making the first part of the first fluid pipeline communicate with the external atmospheric pressure, and switching the control assembly to make one of the first or second fluid pipelines unblocked, so that the first fluid The liquid in the first part of the line is drained through the first fluid line or the second fluid line.
  • the third mode is S3c+S3a+S3b, wherein S3c is: the control assembly switches to make the first or second fluid pipeline unblocked, and the cleaning liquid is input into the brewing unit, and the cleaning liquid is discharged through the first or second fluid pipeline. , to clean all or part of the brewing unit and the first fluid pipeline.
  • the first fluid pipeline is connected to the second fluid pipeline, and the first fluid pipeline and the second fluid pipeline are controlled by the control assembly to be connected and disconnected.
  • the residual beverage in the first fluid pipeline is emptied to prevent the beverage from entering the beverage container when the beverage is brewed next time, thereby affecting the taste and quality of the beverage, thereby ensuring the stability and consistency of the beverage taste.
  • the pipeline system of the beverage brewing device of the present invention combines the control assembly with the brewing unit and the third fluid pipeline, which facilitates the cleaning of the beverage device and the cleaning of the brewing unit and the first fluid pipeline after cleaning.
  • the removal of liquid prevents the long-term retention of water in the pipeline, keeps the pipeline clean and dry, and prevents the clean water in the first fluid pipeline from entering the beverage container when making the next beverage, reducing the concentration of the beverage and affecting the taste and quality of the beverage. .
  • Embodiment 1 is a schematic structural diagram of Embodiment 1 of the present invention.
  • Embodiment 2 is a schematic structural diagram of Embodiment 2 of the present invention.
  • FIG. 3 is a schematic structural diagram of Embodiment 3 of the present invention.
  • Embodiment 4 is a schematic structural diagram of Embodiment 4 of the present invention.
  • FIG. 5 is a schematic structural diagram of Embodiment 5 of the present invention.
  • FIG. 6 is a schematic structural diagram of a three-way valve in Embodiments 4 and 5 of the present invention.
  • Fig. 7 is the structural schematic diagram that the second fluid pipeline and the collection container are directly connected in the present invention.
  • FIG. 8 is a schematic diagram of the connection structure of the present invention in a coffee machine.
  • the pipelines that are not clearly specified in the following description are collectively referred to as the brewing unit, the first fluid pipeline, and the second fluid pipeline.
  • the part of the first pipeline from the outlet of the brewing unit to the connection point between the first fluid pipeline and the second fluid pipeline is defined as the first part.
  • the part of the first pipeline from the beverage outlet to the connection point between the first fluid pipeline and the second fluid pipeline is defined as the second part.
  • the process in which the liquid in the pipeline is drained and the pipeline space is filled with air is defined as emptying.
  • the process of draining the existing liquid in the pipeline and filling the pipeline with new liquid is defined as draining.
  • emptying or removing due to capillary phenomenon, it is inevitable that some of the liquid adhering to the pipe wall cannot be discharged. Therefore, the description of emptying and removing does not mean complete and absolute emptying and removal.
  • the pipeline system of the coffee machine includes a host control unit (not shown), a brewing unit 3 , a first fluid pipeline 1 , a control assembly and a second fluid pipeline 2 .
  • One end of the first fluid pipeline 1 is connected to the brewing unit 3 for outputting coffee from the brewing unit 3 to the beverage outlet 10 .
  • One end of the second fluid pipeline 2 is connected with the first fluid pipeline 1, and the connection point a is located between the brewing unit 3 and the beverage outlet 10, and a collection container 7 is provided under the outlet of the other end for emptying the pipeline or removing liquid Discharge of residual coffee and cleaning liquid.
  • the outlet end of the first fluid pipeline 1 is provided with a beverage container 6 .
  • the second fluid line 2 is snapped into the coffee machine by means of a holder 20 .
  • the control component is an emptying pump 21, and the emptying pump 21 is controlled by the host control unit to be turned on or off. Both the input end and the output end of the emptying pump 21 are connected to the second fluid pipeline 2 , wherein the output end is connected to the output end of the second fluid pipeline 2 .
  • the first passage from the brewing unit 3 to the beverage outlet 10 is defined
  • the second passage from the brewing unit 3 to the collection container 7 is defined
  • the third passage is defined from the beverage outlet 10 to the collection container 7 .
  • the emptying pump 21 is controlled by the host control unit.
  • the emptying pump 21 When the emptying pump 21 is turned on, suction is generated to the fluid in the first fluid pipeline 1 and the brewing unit 3, thereby controlling the first fluid pipeline 1 and the second fluid pipeline.
  • the liquid inside 2 flows towards the collection container 7 .
  • the emptying pump 21 When it is necessary to output coffee, the emptying pump 21 is turned off to make the first passage unblocked; when it is necessary to empty the residual coffee in the second part of the first fluid pipeline 1, the emptying pump 21 is turned on to make the third passage unblocked ; When it is necessary to remove other liquids such as cleaning liquid in the brewing unit 3, the emptying pump 21 is turned on, so that the above-mentioned second passage is unblocked.
  • the brewing unit 3 is connected with a third fluid pipeline 4 , and the brewing unit 3 communicates with the first fluid pipeline 1 and the second fluid pipeline 2 through a valve 5 .
  • the emptying pump 21 is turned off, and the brewed coffee enters the beverage container 6 through the first fluid line 1 .
  • the host control unit starts the emptying pump 21, and the residual coffee in the first fluid line 1 It flows into the second fluid line 2 under the drive of the emptying pump 21 and is discharged into the collection container 7 .
  • the emptying pump 21 When the brewing unit 3 needs to be cleaned, the emptying pump 21 is turned on, and the cleaning liquid is input into the brewing unit 3 through the third fluid pipeline 4 , and the cleaning liquid is discharged into the collection container 7 from the second fluid pipeline 2 .
  • the emptying pump 21 When it is necessary to remove the liquid in the first part of the first fluid pipeline 1, the emptying pump 21 is turned on, and the first part of the first fluid pipeline 1 is communicated with the external atmospheric pressure through the gas pipeline, so that the first fluid pipeline 1 The liquid in the first part of the line is discharged from the second fluid line 2 into the collection container 7 .
  • the working method of the pipeline system of the above-mentioned coffee machine comprises the following steps:
  • the host control unit starts the corresponding working mode according to the selection
  • the emptying pump 21 switches the first fluid pipeline 1 and the second fluid pipeline 2 on and off according to the selected working mode setting to drive to empty all or part of the pipeline or to remove the liquid;
  • the control component is automatically reset after the set time or after the next start of the beverage brewing device.
  • the above working modes include mode one, mode two and mode three.
  • Mode 1 is to empty the liquid in the first part of the first fluid pipeline 1;
  • Mode 2 is to empty the liquid in the entire first fluid pipeline 1; 1 The removal of the cleaning liquid during the first part of cleaning and the emptying of the first fluid pipeline 1 after cleaning.
  • Mode 1 is selected when only the second part of the first fluid line 1 needs to be drained.
  • the first step of the mode is S3a: turn on the emptying pump 21 to make the passage from the beverage outlet 10 to the second fluid pipeline 2 unblocked, and the residual coffee or liquid is discharged into the collecting container 7 under the driving of the pump 21 .
  • mode 2 When it is necessary to empty the residual coffee in the entire first fluid pipeline 1, mode 2 is selected, and the second mode step is S3a+S3b, wherein S3b is: making the first part of the first fluid pipeline 1 communicate with the external atmospheric pressure , turn on the emptying pump 21 , so that the liquid in the first part of the first fluid pipeline 1 flows into the collection container 7 through the second fluid pipeline 2 .
  • mode 3 When it is necessary to clean the pipeline of the coffee machine and discharge the cleaning liquid in the pipeline, mode 3 is selected.
  • the three steps of the mode are S3c+S3a+S3b, wherein S3c is: turn on the emptying pump 21 to make the second fluid pipeline 2 unblocked , the cleaning liquid is input into the brewing unit 3 through the third fluid pipeline 4 , and the cleaning liquid is discharged through the second fluid pipeline 2 to clean the brewing unit 3 and the first part of the first fluid pipeline 1 .
  • Embodiment 2 is a diagrammatic representation of Embodiment 1:
  • the control component is a two-way valve
  • the two-way valve is controlled by the host control unit to open or close
  • the two-way valve includes The first solenoid valve 11 and the second solenoid valve 22, the first solenoid valve 11 is installed on the second part of the first fluid pipeline 1, the second solenoid valve 22 is installed on the second fluid pipeline 2, the second fluid pipeline
  • the position of the outlet end of the channel 2 is lower than the position of the beverage outlet 10, so that the liquid in the pipeline can flow out from the outlet of the second fluid pipeline 2 at one end of the collection container 7 by means of gravity, preferably the second fluid pipeline 2 is located at the end of the collection container 7.
  • air pressure flow and pipeline layout are convenient.
  • the first passage is defined from the brewing unit 3 to the beverage outlet 10
  • the second passage is defined from the brewing unit 3 to the collection container 7
  • the third passage is defined from the beverage outlet 10 to the collection container 7 .
  • the first solenoid valve 11 and the second solenoid valve 22 are controlled by the host control unit, so as to control the on-off of the liquid in the first fluid pipeline 1 and the second fluid pipeline 2 .
  • the first solenoid valve 11 When coffee needs to be output, the first solenoid valve 11 is opened, and the second solenoid valve 22 is closed, so that the first passage is unblocked; when the liquid in the second part of the first fluid pipeline 1 is required, the first solenoid valve 11 and Both the second solenoid valves 22 are opened to make the third passage unblocked; when it is necessary to discharge other liquids such as cleaning liquid from the brewing unit 3 and the first part of the first fluid pipeline 1, the first solenoid valve 11 is closed, and the second solenoid valve 11 is closed.
  • the solenoid valve 22 is opened to open the second passage.
  • the first solenoid valve 11 When brewing coffee, the first solenoid valve 11 is opened, the second solenoid valve 22 is closed, and the brewed coffee enters the beverage container 6 through the first fluid pipeline 1 . At this time, there is still residual coffee in the first fluid pipeline 1.
  • the host control unit opens the second solenoid valve 22, and the pipeline is connected to
  • the second fluid pipeline 2 When air is injected, the second fluid pipeline 2 is originally filled with liquid, which is discharged under the action of gravity, and the residual coffee is discharged into the collecting container 7 along with it.
  • the first solenoid valve 11 When the brewing unit 3 needs to be cleaned, the first solenoid valve 11 is closed, the second solenoid valve 22 is opened, and the cleaning liquid is input into the brewing unit 3 through the third fluid pipeline 4, and the cleaning solution is passed through the second fluid pipeline. 2 is discharged into collection container 7.
  • the first part of the first fluid pipeline 1 When the liquid in the first part of the first fluid pipeline 1 needs to be emptied, the first part of the first fluid pipeline 1 is communicated with the external atmospheric pressure, so that the liquid therein is discharged from the second fluid pipeline 2 to the collection container 7 in.
  • the working method of the pipeline system of the above-mentioned coffee machine comprises the following steps:
  • the host control unit starts the corresponding working mode according to the selection
  • the first solenoid valve 11 and the second solenoid valve 22 switch the first fluid pipeline 1 and the second fluid pipeline 2 on and off according to the selected working mode setting to drive to empty all or part of the pipeline or remove the liquid;
  • the first solenoid valve 11 and the second solenoid valve 22 are automatically reset after a set time or after the beverage brewing device is started next time.
  • the above working modes include mode one, mode two and mode three.
  • mode 1 is to empty the liquid in the second part of the first fluid pipeline 1
  • mode 2 is to empty the liquid in the entire first fluid pipeline 1
  • Mode 1 is selected when only the second part of the first fluid line 1 needs to be drained.
  • the first step of the mode is S3a: open the first solenoid valve 11 and the second solenoid valve 22, so that the passage from the beverage outlet 10 to the second fluid pipeline 2 is unblocked, and communicated with the external atmospheric pressure, and the residual coffee is discharged into the collection container 7 .
  • mode 2 When it is necessary to empty the residual coffee in the whole first fluid pipeline 1, mode 2 is selected.
  • the steps of the second mode are S3a+S3b, wherein S3b is: through the gas pipeline, the first part of the first fluid pipeline 1 is connected to the The external atmospheric pressure is connected, the second solenoid valve 22 is opened, and the first solenoid valve 11 is closed, so that the liquid in the first part of the first fluid pipeline 1 flows into the collection container 7 through the second fluid pipeline 2 .
  • mode 3 When it is necessary to clean the pipeline of the coffee machine and discharge the cleaning liquid in the pipeline, mode 3 is selected.
  • the three steps of the mode are S3c+S3a+S3b, wherein S3c is: closing the first solenoid valve 11, opening the second solenoid valve 22, Make the second fluid pipeline 2 unblocked, input cleaning liquid into the brewing unit 3, and the cleaning liquid will be discharged through the second fluid pipeline 2 to clean the brewing unit 3 and the first part of the first fluid pipeline 1.
  • the difference from the second embodiment is that, in the pipeline system of the coffee machine shown in FIG. 3 , the outlet end of the second fluid pipeline 2 faces upwards, and a beverage container 6 or a collection container 7 is arranged below the beverage outlet 10 as required. The entirety of the first fluid line 1 can be cleaned.
  • a beverage container 6 When brewing coffee, a beverage container 6 is arranged below the beverage outlet 10 , the first solenoid valve 11 is opened, the second solenoid valve 22 is closed, and the brewed coffee enters the beverage container 6 through the first fluid pipeline 1 . At this time, there is still residual coffee in the first fluid pipeline 1.
  • the host control unit opens the second solenoid valve 22, and the pipeline is connected to Into the air, the residual coffee continues to be discharged to the beverage container 6 under the action of gravity.
  • a collection container 7 is arranged below the beverage outlet 10 , the first solenoid valve 11 is opened, the second solenoid valve 22 is closed, and the cleaning liquid is input into the brewing unit 3 through the third fluid pipeline 4 , the cleaning liquid is discharged from the first fluid pipeline 1 to the collection container 7 .
  • the first part of the first fluid pipeline 1 is connected to the outside atmospheric pressure, so that the liquid in the first part of the first fluid pipeline 1 is The first fluid line 1 drains into a collection container 7 .
  • the difference between the working method of the pipeline system of the coffee machine and the working method of the pipeline system in the second embodiment is that when the discharged liquid is coffee, the beverage container 6 is placed under the beverage outlet 10, and when the discharged liquid is clean liquid , the collection container 7 is placed under the beverage outlet 10 .
  • the above-mentioned first solenoid valve 11 can be omitted, and the purpose of use can be achieved only by controlling the second solenoid valve 22 .
  • Embodiment 4 is a diagrammatic representation of Embodiment 4:
  • the control component is a three-way valve 12.
  • One end of the second fluid pipeline 2 is connected to the first fluid pipeline 1 through a three-way valve 12 , and a collection container 7 is provided below the outlet of the other end.
  • the three-way valve 12 is located between the brewing unit 3 and the beverage outlet 10 .
  • the three-way valve 12 is energized or de-energized by the host control unit.
  • the three-way valve 12 is a two-position three-way normally open solenoid valve.
  • the valve ports of the three-way valve 12 are the first valve port 121 , the second valve port 122 and the third valve port 123 respectively, of which the normally opening is the second valve port 122 .
  • the second valve port 122 is connected to the second part of the pipeline of the first fluid pipeline 1
  • the first valve port 121 is connected to one end of the brewing unit 3
  • the third valve port 123 is connected to the second fluid pipeline 2
  • the outlet of the second fluid pipeline 2 The position of the end is lower than the position of the beverage outlet 10, so that the liquid in the pipeline can flow out from the outlet of the second fluid pipeline 2 at one end of the collecting container 7 by means of gravity, preferably the second fluid pipeline 2 is located in the first fluid.
  • Below the pipeline 1 it is convenient for air pressure flow and pipeline layout.
  • the first passage from the brewing unit 3 to the beverage outlet 10 is defined, and the second passage is defined from the beverage outlet 10 to the collection container 7 .
  • the three-way valve 12 is controlled by the host control unit, so as to control the on-off of the liquid in the first fluid pipeline 1 and the second fluid pipeline 2 .
  • the three-way valve 12 is energized to make the above-mentioned first passage unblocked; when the liquid in the second part of the first fluid pipeline 1 needs to be emptied, the three-way valve 12. Power off, so that the above-mentioned second passage is unblocked.
  • the beverage container 6 When brewing coffee, the beverage container 6 is placed under the beverage outlet 10 , the three-way valve 12 is energized, the valve core moves downward, the third valve port 123 is closed, and the brewed coffee enters the beverage container 6 through the first fluid pipeline 1 . At this time, there is still residual coffee in the first fluid pipeline 1.
  • the three-way valve 12 When emptying, the three-way valve 12 is de-energized, the valve core moves upward, the first valve port 121 is closed, and the remaining coffee in the second part of the first fluid pipeline 1 The coffee flows into the collecting container 7 via the second fluid line 2 .
  • a collection container is placed under the beverage outlet 10, the three-way valve 12 is energized, and the cleaning liquid is discharged into the collection container from the first fluid pipeline 1;
  • the first part of the circuit 1 is connected to the external atmospheric pressure, the cleaning liquid in the first fluid pipe 1 continues to be discharged, the three-way valve 12 is powered off, and the remaining cleaning liquid in the first fluid pipe 1 is discharged from the second fluid pipe 2 to the collection in container 7.
  • the working method of the pipeline system of the above-mentioned coffee machine comprises the following steps:
  • the host control unit starts the corresponding working mode according to the selection
  • the three-way valve 12 switches the first fluid pipeline 1 and the second fluid pipeline 2 on and off according to the selected working mode setting to drive emptying all or part of the pipeline or draining the liquid;
  • the three-way valve 12 is automatically reset after the set time or after the next start of the beverage brewing device.
  • the above working modes include mode one, mode two and mode three.
  • the mode 1 is for the liquid in the second part of the first fluid pipeline 1; the mode 2 is to empty the entire liquid of the entire first fluid pipeline 1; 1. The removal of the cleaning liquid during cleaning and the emptying of the cleaning liquid in the first fluid pipeline 1 after cleaning.
  • mode 1 When only the liquid in the second part of the first fluid pipeline 1 needs to be emptied, mode 1 is selected, and the mode 1 step is S3a: the three-way valve 12 is de-energized, so that the beverage outlet 10 is connected to the second fluid pipeline 2 The channel is unobstructed and communicated with the external atmospheric pressure, and the residual coffee is discharged into the collection container 7 through the second fluid pipeline.
  • mode 2 When it is necessary to empty the residual coffee in the first fluid pipeline 1 as a whole, mode 2 is selected.
  • the steps of the second mode are S3a+S3b, where S3b is: connecting the first part of the first fluid pipeline 1 with the external atmospheric pressure , the three-way valve 12 is energized, so that the liquid in the first part of the first fluid pipeline 1 flows into the collection container below the beverage outlet 10 through the first fluid pipeline 1 .
  • mode 3 When it is necessary to clean the pipeline of the coffee machine and discharge the cleaning liquid in the pipeline, mode 3 is selected.
  • the three steps of the mode are S3c+S3a+S3b, wherein S3c is: the three-way valve 12 is energized, and the cleaning is input into the brewing unit 3.
  • the liquid and the cleaning liquid are discharged through the first fluid pipeline 1 to clean the brewing unit 3 and the first fluid pipeline 1 .
  • Embodiment 5 is a diagrammatic representation of Embodiment 5:
  • the difference from the fourth embodiment is that, in combination with the piping system of the coffee machine shown in FIG. 5 and FIG. 6 , the outlet end of the second fluid piping 2 faces upwards.
  • the second part of the first fluid pipeline 1 is communicated with atmospheric pressure through the second fluid pipeline 2 , and the residual coffee or cleaning liquid is discharged from the beverage outlet 10 .
  • the first fluid pipeline 1 is made unblocked, and the cleaning liquid is discharged from the beverage outlet 10 .
  • control assembly is used to connect the pipeline with the atmosphere, and the position of the outlet end of the second fluid pipeline 2 is set lower than the position of the beverage outlet 10, and the remaining coffee falls under the action of gravity
  • the horizontal arrangement of the first fluid pipeline 1 and the vertical arrangement of the second fluid pipeline 2 in Figures 2 and 4 are ideal.
  • the first fluid pipeline can be adjusted.
  • the setting angle of the channel 1 and the second fluid pipeline 2 makes it more conducive to the discharge of residual coffee or cleaning liquid.
  • the collection container 7 can also be directly connected to the outlet end of the second fluid pipeline 2 , that is, the beverage outlet end.
  • the coffee machine shown in FIG. 8 includes the piping system described in any one of the above embodiments.

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Abstract

一种饮品冲泡设备及其管路系统和工作方法，饮品冲泡设备的管路系统包括主机控制单元、冲泡单元（3）、第一流体管路（1）、控制组件和第二流体管路（2），控制组件用于控制第一流体管路（1）和第二流体管路（2）的通断来排空管路或排除液体。可在饮品制作完成后或清洗后排空管路中的残留饮品或清洁液体，防止下一次制作饮品时进入饮品容器（6），从而影响饮品口感。

Description

一种饮品冲泡设备及其管路系统和工作方法 技术领域
本发明属于饮品冲泡设备技术领域，尤其涉及一种饮品冲泡设备及其管路系统和工作方法。
背景技术
通过冲泡手段获得口感丰富的饮品在人类历史上源远流长，是一种文化更是一种社会生活的日常。以前人们大多手工泡茶或者手冲咖啡，现在随着机械自动化的进步和生活节奏的加快，饮品冲泡设备的应用越来越普及，有的是办公场所使用，也有家庭使用。同时对饮品冲泡设备做出来的饮品的口感要求越来越高，由此带来这个领域里的技术改进需求也日益强烈。本申请文件以咖啡饮品为例来描述，并非表示本申请放弃其他饮品的保护范围。咖啡饮料(如浓缩咖啡、卡布其诺、牛奶咖啡、白咖啡或加香增味咖啡)当今非常普遍并受欢迎，并且可以以很多不同的方式获得，尤其是依据其原混合物和萃取饮料的方式。在现有技术中用于制作咖啡饮料的咖啡机及用于在咖啡机中制作咖啡饮料的方法已广为人知。在普通咖啡机中，通过主机控制单元设定温度、压力等参数，一定温度的热水以一定压力被引入容纳有研磨咖啡的冲泡单元或泡制容器中，完成冲泡后通过管路导入容器以供饮用。
在现有技术中，咖啡制作完成后，冲泡单元至咖啡出口的管路中还会有剩余液体例如咖啡，在下一次制作咖啡时，这部分剩余液体会在下一次制作咖啡前流入杯子，影响咖啡品质从而影响咖啡口感和用户体验。另外有些情况下，例如咖啡机清洗后，冲泡单元、或者管路中也会残留用来清洁的液体例如水，在下一次 制作咖啡时，这部分清洁液体会进入饮品容器，也会影响咖啡的品质，降低了饮品的浓度和温度，从而影响饮品的口感。
因此，有必要研究设计并提供一种能够应用于饮品冲泡设备的管路系统用于管路排空或者排除液体。
发明内容
鉴于以上所述现有技术的不足，本发明目的在于：提供一种饮品冲泡设备的管路系统，在饮品制作完成后或清洗后等需要排空管路或者排除液体的情形下，控制管路内流体通断，从而排出管路内的残留饮品或液体，防止在下次制作饮品时流入饮品杯，影响饮品口感和质量。
为实现上述发明目的，本发明提供以下技术方案：
一种饮品冲泡设备的管路系统，包括主机控制单元、冲泡单元、第一流体管路、控制组件和第二流体管路。所述第一流体管路一端连接所述冲泡单元，用于将饮品从冲泡单元输出至饮品出口；所述第二流体管路一端与第一流体管路连接，连接点位于所述冲泡单元和所述饮品出口之间；所述控制组件安装于管路上，用于控制所述第一流体管路和所述第二流体管路通断来排空管路或排除液体，所述控制组件由主机控制单元来控制。通过第二流体管路的接入，以及控制第一流体管路和第二流体管路通断对第二流体管路第二部分管路内液体流向引起的变化，在管路系统中形成冲泡单元至第一流体管路、冲泡单元至第二流体管路、饮品出口至第二流体管路、第二流体管路至饮品出口的其中多组流体通路，并利用控制组件对上述多组流体通路的通断进行控制，从而控制了管路内液体的流动方向，起到排空管路或排除液体的作用。
所述控制组件可以通过第二流体管路排空第一流体管路第二部分管路，此 时控制组件使饮品出口至第二流体管路的流体通路畅通，第二流体管路出口端的位置低于饮品出口位置，使得管路中的液体能够依靠重力因素从第二流体管路流出。当需要排除第一流体管路第一部分的液体或所述冲泡单元和第一流体管路和第一部分管路中的液体时，控制组件打开第二流体管路，使得所述液体排出。
所述控制组件可以通过第一流体管路排空第一流体管路第二部分管路，此时控制组件使饮品出口至第一流体管路的流体通路畅通，第二流体管路接入第一流体管路上端，出口端朝上或出口端位置高于饮品出口位置，使得管路中的液体能够依靠重力因素从第一流体管路流出。
现有技术中所述冲泡单元连接有进液流体管道或者与外界直接或者间接连接的气体管道。本申请文件中将进液流体管道定义为第三流体管路。由于冲泡单元内壁往往在冲泡过程中会附着一些残渣例如咖啡粉或者液体滴例如咖啡，第一流体管路第一部分管路也残留有液体；所有这些冲泡单元中的残渣或者液体滴、第一流体管路第一部分管路中残留的液体都会影响后续饮品的品质。由第三流体管路向所述冲泡单元内通入清洁液体，用于冲泡单元及第一流体管路的清洗，所述清洁液体优选为清洁水。通过第三流体管路输入清洁液体，可以将原来存在于第一流体管路第一部分管路中的残留液体、冲泡单元和第一流体管路第一部分管路的清洁液体在控制组件的控制下通过第一或第二流体管路排出。也可以通过第三流体管路输入清洁液体来清洁冲泡单元、第一流体管路的全部或部分，所述第一流体管路第二部分管路中的清洁液体在控制组件的控制下通过第一或第二流体管路排出。也可以通过冲泡单元的气体管道使得冲泡单元、第一流体管路第一部分管路与外界大气压相通，通过控制所述控制组 件，使得第一流体管路第一部分管路中的液体通过第一或第二液体管路排出。在本申请中，向冲泡单元输入清洁液体的第三流体管路、气体管道利用了现有技术中的进液流体管道、气体管道，有利于简化结构，在实际中也可以另外连接管路。
可选的，所述控制组件为以下任意一种：
控制组件为排空泵，所述排空泵设置于第二流体管路上，饮品制作完成后，打开排空泵，产生吸力，第一流体管路中的残留饮品在吸力作用下由饮品出口进入第二流体管路，并排出至收集容器中；在冲泡单元清洗过程中，打开排空泵，将清洗液泵入第二流体管路排出到收集容器中；通过气体管道使冲泡单元、第一流体管路第一部分管路与外界大气压相通，使得第一流体管路第一部分管路中的液体通过第二流体管路排出。
控制组件为两通阀，所述两通阀包含第一电磁阀和第二电磁阀，所述第一电磁阀安装于第一流体管路第二部分上，所述第二电磁阀安装于的第二流体管路上。制作饮品时，打开第一电磁阀，关闭第二电磁阀，饮品通过第一流体管路流入饮品容器，完成制作后，打开第二电磁阀，管路中通入空气，第一流体管路第二部分管路内的残留饮品通过第一或第二流体管路流出。
控制组件为三通阀，所述三通阀安装于第一流体管路和第二流体管路连接处。通过控制三通阀中三个阀口的通断来调节液流方向。比如，所述三通阀为两位三通常开型电磁阀，其中常开口连接所述第一流体管路的出口端。制作饮品时，关闭连接第二流体管路的阀口，冲泡单元内饮品由第一流体管路流入饮品容器，完成后，切换三通阀，关闭连接冲泡单元的阀口，打开连接第二流体管路的阀口，管路中通入空气，第一流体管路第二部分管路内的残留饮品通过 第一或第二流体管路流出。
一种饮品冲泡设备，包含了如上所述任意一种饮品冲泡设备的管路系统。
上述饮品冲泡设备的管路系统的工作方法，包含如下步骤：
S1、根据饮品冲泡设备指示选择管路系统的工作模式；
S2、主机控制单元根据选择启动相应的工作模式；
S3、管路系统的控制组件按照所选工作模式设定切换第一流体管路和第二流体管路通断来驱动排空管路或排除液体；
S4、控制组件在设定时间后或饮品冲泡设备下次启动后自动复位。
上述工作模式包含模式一、模式二和模式三的其中一种或多种，所述模式一为排空第一流体管路第二部分管路的液体；所述模式二为排空整个第一流体管路内的液体；所述模式三用于对冲泡单元、第一流体管路的部分或全部清洗时清洗液的排除以及清洗后第一流体管路的排空。
所述模式一包含步骤S3a：控制组件切换使饮品出口至第二流体管路畅通，排空第一流体管路第二部分管路中的液体，此时，管路中接入空气，第一流体管路第二部分管路内的液体通过第一流体管路或第二流体管路排空。
所述模式二为步骤S3a+S3b，其中S3b为：使第一流体管路第一部分管路与外界大气压相通，控制组件切换使第一或第二流体管路其中之一畅通，使得第一流体管路第一部分管路中的液体通过第一流体管路或第二流体管路排出。
所述模式三为S3c+S3a+S3b，其中S3c为：控制组件切换使第一或第二流体管路畅通，向冲泡单元中输入清洁液体，清洁液体通过第一或第二流体管路排出，对冲泡单元及第一流体管路的全部或部分进行清洗。
与现有技术相比，本发明的有益效果：
本发明的饮品冲泡设备的管路系统，通过在第一流体管路上连接第二流体管路，利用控制组件控制第一流体管路和第二流体管路通断，在饮品冲泡完成后排空第一流体管路中的残留饮品，防止在下次冲泡饮品时进入饮品容器，影响饮品口味和质量，从而保证了饮品口感的稳定和一致性。
进一步地，本发明的饮品冲泡设备的管路系统，将控制组件与冲泡单元、第三流体管路相结合，便于饮品设备的清洗以及清洗后冲泡单元、第一流体管路内清洁液体的排除，防止了管路内长期存留水分，维持管路的干净和干燥，同时避免了第一流体管路内清洁水在下次制作饮品时进入饮品容器，降低饮品浓度，影响饮品口味和质量。
附图说明
为了更清楚地说明本发明具体实施例中的技术方案，下面将对实施例描述中所需要使用的附图作简单地介绍，显而易见地，下面描述的附图仅仅是本发明的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其他的附图。
图1为本发明实施例一的结构示意图；
图2为本发明实施例二的结构示意图；
图3为本发明实施例三的结构示意图
图4为本发明实施例四的结构示意图；
图5为本发明实施例五的结构示意图
图6为本发明实施例四、五中三通阀的结构示意图；
图7为本发明中第二流体管路与收集容器直接相连的结构示意图；
图8为本发明在咖啡机中的连接结构示意图。
附图标记：1-第一流体管路，10-饮品出口，11-第一电磁阀，12-三通阀，121-第一阀口，122-第二阀口，123-第三阀口，2-第二流体管路，20-固定器，21-排空泵，22-第二电磁阀，3-冲泡单元，4-第三流体管路，5-阀门，6-饮品容器，7-收集容器，a-第一流体管路和第二流体管路的连接点。
具体实施方式
下面将以所述饮品冲泡设备为咖啡机为例对本发明具体实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅是本发明的一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，都属于本发明保护的范围。
为了便于描述，以下叙述中未明确指明的管路为冲泡单元、第一流体管路、第二流体管路的统称。将第一管路中冲泡单元出口至第一流体管路和第二流体管路连接点之间的部分定义为第一部分。将第一管路中饮品出口至第一流体管路和第二流体管路连接点之间的部分定义为第二部分。将管路中液体排出，管路空间被空气填充的过程定义为排空。将管路中现有液体排出，管路被新的液体填充的过程定义为排除。在排空或排除过程中，由于毛细现象，不可避免的会有部分附着在管路壁上的液体无法排出，因此关于排空、排除的描述不表示完全、绝对地排空、排除。
实施例一：
如图1所示的咖啡机的管路系统，包括主机控制单元(未示出)、冲泡单元3、第一流体管路1、控制组件和第二流体管路2。第一流体管路1一端连接冲泡单元3，用于将咖啡从冲泡单元3输出至饮品出口10。第二流体管路2一端与第一流体管路1连接，连接点a位于冲泡单元3和饮品出口10之间，另一端 出口下方设有收集容器7，用于排空管路或排除液体时残留咖啡、清洁液体的排出。第一流体管路1出口端设有饮品容器6。第二流体管路2通过固定器20卡装于咖啡设备中。所述控制组件为排空泵21，排空泵21由主机控制单元控制开启或关闭。排空泵21的输入端和输出端均连接于第二流体管路2上，其中输出端连接第二流体管路2的输出一端。在本实施例中，定义冲泡单元3至饮品出口10为第一通路，冲泡单元3至收集容器7为第二通路、饮品出口10至收集容器7为第三通路。通过主机控制单元控制排空泵21，在排空泵21开启时，对第一流体管路1、冲泡单元3中的流体产生吸力，从而控制第一流体管路1、第二流体管路2内液体朝向收集容器7流动。当需要输出咖啡时，排空泵21关闭，使上述第一通路畅通；当需要排空第一流体管路1第二部分内的残留咖啡时，排空泵21开启，使上述第三通路畅通；当需要排除冲泡单元3内的其他液体如清洗液时，排空泵21开启，使上述第二通路畅通。
冲泡单元3连接有第三流体管路4，冲泡单元3通过阀门5与第一流体管路1、第二流体管路2相通。冲泡咖啡时，排空泵21关闭，冲泡完成的咖啡经第一流体管路1进入饮品容器6。此时第一流体管路1中仍存在残留咖啡，当需要排空第一流体管路1中的残留咖啡时，由主机控制单元启动排空泵21，第一流体管路1内的残留咖啡在排空泵21的驱动下流入第二流体管路2，并排放至收集容器7中。当需要对冲泡单元3进行清洗时，排空泵21开启，由第三流体管路4向冲泡单元3内输入清洗液，清洗液由第二流体管路2排出至收集容器7中。当需要排除第一流体管路1第一部分管路中的液体时，排空泵21开启，通过气体管道使第一流体管路1第一部分管路与外界大气压相通，使第一流体管路1第一部分管路中的液体由第二流体管路2排出至收集容器7中。
上述的咖啡机的管路系统的工作方法包含如下步骤：
S1、根据咖啡机指示选择管路系统的工作模式；
S2、主机控制单元根据选择启动相应的工作模式；
S3、排空泵21按照所选工作模式设定切换第一流体管路1和第二流体管路2通断来驱动排空全部或部分管路或排除液体；
S4、控制组件在设定时间后或饮品冲泡设备下次启动后自动复位。
上述的工作模式包含模式一、模式二和模式三。
其中模式一为排空第一流体管路1第一部分管路的液体；模式二为排空整个第一流体管路1内的液体；模式三用于对冲泡单元3、第一流体管路1第一部分清洗时清洗液的排除以及清洗后第一流体管路1的排空。
当仅需要排空第一流体管路1第二部分管路时，选择模式一。所述模式一步骤为S3a：开启排空泵21，使饮品出口10至第二流体管路2的通路畅通，残留咖啡或液体在泵21的驱动下排出至收集容器7中。
当需要排空整个第一流体管路1内的残留咖啡时，选择模式二，所述模式二步骤为S3a+S3b，其中S3b为：使第一流体管路1第一部分管路与外界大气压相通，开启排空泵21，使得第一流体管路1第一部分管路中的液体通过第二流体管路2流入收集容器7中。
当需要清洗咖啡机管路并排出管路中清洗液时，选择模式三，所述模式三步骤为S3c+S3a+S3b，其中S3c为：开启排空泵21，使第二流体管路2畅通，通过第三流体管路4向冲泡单元3中输入清洁液体，清洁液体通过第二流体管路2排出，对冲泡单元3及第一流体管路1第一部分进行清洗。
实施例二：
与实施例一不同的是，如图2所示的咖啡机的管路系统，所述控制组件为两通阀，所述两通阀由主机控制单元控制开启或关闭，所述两通阀包含第一电磁阀11和第二电磁阀22，第一电磁阀11安装于第一流体管路1第二部分上，第二电磁阀22安装于的第二流体管路2上，第二流体管路2出口端的位置低于饮品出口10位置，使得管路中的液体能够依靠重力因素从第二流体管路2位于收集容器7一端的出口自行流出，优选为所述第二流体管路2位于所述第一流体管路1下方，便于气压流动及管路布局。在本实施例中定义冲泡单元3至饮品出口10为第一通路，冲泡单元3至收集容器7为第二通路，饮品出口10至收集容器7为第三通路。通过主机控制单元控制第一电磁阀11和第二电磁阀22，从而控制第一流体管路1、第二流体管路2内液体的通断。当需要输出咖啡时，第一电磁阀11打开，第二电磁阀22关闭，使上述第一通路畅通；当需要第一流体管路1第二部分管路的液体时，第一电磁阀11和第二电磁阀22均打开，使上述第三通路畅通；当需要排出冲泡单元3和第一流体管路1第一部分管路的其他液体如清洗液时，第一电磁阀11关闭，第二电磁阀22打开，使上述第二通路畅通。
冲泡咖啡时，第一电磁阀11打开，第二电磁阀22关闭，冲泡完成的咖啡经第一流体管路1进入饮品容器6。此时第一流体管路1中仍存在剩余咖啡，当需要排空第一流体管路1第二部分管路中的残留咖啡时，由主机控制单元打开第二电磁阀22，管路中通入空气，第二流体管路2内原来填充有液体，在重力作用下排出，残留咖啡跟随排出至收集容器7中。当需要对冲泡单元3进行清洗时，关闭第一电磁阀11，打开第二电磁阀22，由第三流体管路4向冲泡单元3内输入清洗液，清洗液由第二流体管路2排出至收集容器7中。当需要排空第一流体管路1第一部分管路中的液体时，使第一流体管路1第一部分管路与外界大 气压相通，使得其中的液体由第二流体管路2排出至收集容器7中。
上述的咖啡机的管路系统的工作方法包含如下步骤：
S1、根据咖啡机指示选择管路系统的工作模式；
S2、主机控制单元根据选择启动相应的工作模式；
S3、第一电磁阀11和第二电磁阀22按照所选工作模式设定切换第一流体管路1和第二流体管路2通断来驱动排空全部或部分管路或排除液体；
S4、第一电磁阀11和第二电磁阀22在设定时间后或饮品冲泡设备下次启动后自动复位。
上述的工作模式包含模式一、模式二和模式三。
其中模式一为排空第一流体管路1第二部分管路内的液体；模式二为排空整个第一流体管路1内的液体；模式三用于对冲泡单元3、第一流体管路1第一部分清洗时清洗液的排除以及清洗后第一流体管路1的排空。
当仅需要排空第一流体管路1第二部分的液体时，选择模式一。所述模式一步骤为S3a：开启第一电磁阀11和第二电磁阀22，使饮品出口10至第二流体管路2的通路畅通，并与外界大气压相通，残留咖啡排出至收集容器7中。
当需要排空整体第一流体管路1内的残留咖啡时，选择模式二，所述模式二步骤为S3a+S3b，其中S3b为：通过气体管道使第一流体管路1第一部分管路与外界大气压相通，开启第二电磁阀22，关闭第一电磁阀11，使得第一流体管路1第一部分管路中的液体通过第二流体管路2流入收集容器7中。
当需要清洗咖啡机管路并排出管路中清洗液时，选择模式三，所述模式三步骤为S3c+S3a+S3b，其中S3c为：关闭第一电磁阀11，开启第二电磁阀22，使第二流体管路2畅通，向冲泡单元3中输入清洁液体，清洁液体通过第二流体 管路2排出，对冲泡单元3及第一流体管路1第一部分管路进行清洗。
实施例三：
与实施例二不同的是，如图3所示的咖啡机的管路系统，第二流体管路2的出口端朝上，饮品出口10下方根据需要设置饮品容器6或收集容器7，清洗时可对第一流体管路1的全部进行清洗。
冲泡咖啡时，饮品出口10下方设置饮品容器6，第一电磁阀11打开，第二电磁阀22关闭，冲泡完成的咖啡经第一流体管路1进入饮品容器6。此时第一流体管路1中仍存在剩余咖啡，当需要排空第一流体管路1第二部分管路中的残留咖啡时，由主机控制单元打开第二电磁阀22，管路中通入空气，残留咖啡在重力作用下继续排出至饮品容器6。当需要对冲泡单元3进行清洗时，饮品出口10下方设置收集容器7，打开第一电磁阀11，关闭第二电磁阀22，由第三流体管路4向冲泡单元3内输入清洗液，清洗液由第一流体管路1排出至收集容器7中。当需要排空第一流体管路1第一部分管路中的液体时，使第一流体管路1第一部分管路与外界大气压相通，使得第一流体管路1第一部分管路中的液体由第一流体管路1排出至收集容器7中。
上述的咖啡机的管路系统的工作方法与实施例二中管路系统的工作方法相区别的是，当排出液体为咖啡时，饮品出口10下方放置饮品容器6，当排出液体为清洁液体时，饮品出口10下方放置收集容器7。
在另外的实施例中，上述的第一电磁阀11可省略，仅控制第二电磁阀22即可达到使用目的。
实施例四：
与实施例二不同的是，结合图4和图6所示的咖啡机的管路系统，所述控 制组件为三通阀12。第二流体管路2一端通过三通阀12连接于第一流体管路1，另一端出口下方设有收集容器7。三通阀12位于冲泡单元3和饮品出口10之间。三通阀12由主机控制单元控制通电或断电。三通阀12为两位三通常开型电磁阀，三通阀12的阀口分别为第一阀口121、第二阀口122和第三阀口123，其中常开口为第二阀口122。第二阀口122连接第一流体管路1第二部分管路，第一阀口121连接冲泡单元3一端，第三阀口123连接第二流体管路2，第二流体管路2出口端的位置低于饮品出口10位置，使得管路中的液体能够依靠重力因素从第二流体管路2位于收集容器7一端的出口自行流出，优选为第二流体管路2位于所述第一流体管路1下方，便于气压流动及管路布局。在本实施例中定义冲泡单元3至饮品出口10为第一通路，饮品出口10至收集容器7为第二通路。通过主机控制单元控制三通阀12，从而控制第一流体管路1、第二流体管路2内液体的通断。当需要输出冲泡单元3内的咖啡或其他液体时，三通阀12通电，使上述第一通路畅通；当需要排空第一流体管路1第二部分管路中液体时，三通阀12断电，使上述第二通路畅通。
冲泡咖啡时，在饮品出口10下方放置饮品容器6，三通阀12通电，阀芯下行，第三阀口123关闭，冲泡完成的咖啡经第一流体管路1进入饮品容器6。此时第一流体管路1中仍存在残留咖啡，排空时，三通阀12断电，阀芯上行，第一阀口121关闭，第一流体管路1第二部分管路内的剩余咖啡通过第二流体管路2流入收集容器7中。当需要冲泡单元3进行清洗时，在所述饮品出口10下方放置收集容器，三通阀12通电，清洗液由第一流体管路1排出至收集容器中；通过气体管道使第一流体管路1第一部分与外界大气压相通，第一流体管路1内的清洗液继续排出，三通阀12断电，剩余第一流体管路1内的清洗液由第二 流体管路2排出至收集容器7中。
上述的咖啡机的管路系统的工作方法包含如下步骤：
S1、根据咖啡机指示选择管路系统的工作模式；
S2、主机控制单元根据选择启动相应的工作模式；
S3、三通阀12按照所选工作模式设定切换第一流体管路1和第二流体管路2通断来驱动排空全部或部分管路或排除液体；
S4、三通阀12在设定时间后或饮品冲泡设备下次启动后自动复位。
上述的工作模式包含模式一、模式二和模式三。
其中模式一为第一流体管路1第二部分管路内的液体；模式二为排空整个第一流体管路1整体的液体；模式三用于对冲泡单元3和第一流体管路1清洗时清洗液的排除以及清洗后第一流体管路1内清洗液的排空。
当仅需要排空第一流体管路1第二部分管路的液体时，选择模式一，所述模式一步骤为S3a：三通阀12断电，使饮品出口10至第二流体管路2的通路畅通，并与外界大气压相通，残留咖啡通过第二流体管路排出至收集容器7中。
当需要排空整体第一流体管路1内的残留咖啡时，选择模式二，所述模式二步骤为S3a+S3b，其中S3b为：使第一流体管路1第一部分管路与外界大气压相通，三通阀12通电，使得第一流体管路1第一部分管路中的液体通过第一流体管路1流入饮品出口10下方的收集容器中。
当需要清洗咖啡机管路并排出管路中清洗液时，选择模式三，所述模式三步骤为S3c+S3a+S3b，其中S3c为：三通阀12通电，向冲泡单元3中输入清洁液体，清洁液体通过第一流体管路1排出，对冲泡单元3及第一流体管路1进行清洗。
实施例五：
与实施例四不同的是，结合图5和图6所示的咖啡机的管路系统，第二流体管路2的出口端朝上。在排空过程中，通过第二流体管路2使第一流体管路1第二部分与大气压相通，残留咖啡或清洁液体均由饮品出口10排出。在清洗过程中，使第一流体管路1畅通，清洁液体由饮品出口10排出。
需要说明的是，在实施例二和实施例四中，均利用控制组件使管路与大气连通，且设置第二流体管路2出口端的位置低于饮品出口10位置，剩余咖啡在重力作用下落入饮品容器6或收集容器7，附图2和附图4中的第一流体管路1水平设置、第二流体管路2垂直设置均为理想状态，实际设备中，可调整第一流体管路1及第二流体管路2的设置角度，使其更利于残留咖啡或清洁液体的排出。
如图5所示，在实施例一、二、四中，所述收集容器7还可以直接连接于第二流体管路2出口端，即饮品出口端。
如图8所示的咖啡机，包含了上述任一项实施例所述的管路系统。
以上对本发明所提供的饮品冲泡设备的管路系统进行了详细介绍，本文中应用了具体个例对本发明的结构及工作原理进行了阐述，以上实施例的说明只是用于帮助理解本发明的方法及核心思想。应当指出，对于本技术领域的普通技术人员来说，在不脱离本发明原理的前提下，还可以对本发明进行若干改进和修饰，这些改进和修饰也落入本发明权利要求保护的范围内。

Claims (15)

  1. 一种饮品冲泡设备的管路系统，包括主机控制单元、冲泡单元、第一流体管路，所述第一流体管路一端连接所述冲泡单元，用于将饮品从冲泡单元输出至饮品出口，其特征在于，还包括控制组件和第二流体管路；
    所述第二流体管路一端与第一流体管路连接，连接点位于所述冲泡单元和所述饮品出口之间；
    所述控制组件安装于管路上，用于控制所述第一流体管路和所述第二流体管路的通断，来排空管路或排除液体，所述控制组件由主机控制单元来控制。
  2. 根据权利要求1所述的饮品冲泡设备的管路系统，其特征在于，所述控制组件通过第二流体管路排空第一流体管路第二部分管路。
  3. 根据权利要求2所述的饮品冲泡设备的管路系统，其特征在于，当需要排除第一流体管路第一部分的液体或所述冲泡单元和第一流体管路第一部分管路中的液体时，控制组件打开第二流体管路，使得所述液体排出。
  4. 根据权利要求1所述的饮品冲泡设备的管路系统，其特征在于，所述控制组件通过第一流体管路排空第一流体管路第二部分管路。
  5. 根据权利要求1所述的饮品冲泡设备的管路系统，其特征在于，使所述冲泡单元、第一流体管路第一部分管路与外界大气压相通，控制所述控制组件使第一流体管路或第二流体管路畅通，第一流体管路第一部分管路中的液体在重力作用下排出。
  6. 根据权利要求1-5任一项所述的饮品冲泡设备的管路系统，其特征在于，所述控制组件为排空泵，所述排空泵设置于第二流体管路上。
  7. 根据权利要求1-5任一项所述的饮品冲泡设备的管路系统，其特征在于，所述控制组件为两通阀，所述两通阀包含第一电磁阀和第二电磁阀，所述第一 电磁阀安装于第一流体管路第二部分上，所述第二电磁阀安装于的第二流体管路上。
  8. 根据权利要求1-5任一项所述的饮品冲泡设备的管路系统，其特征在于，所述控制组件为三通阀，所述三通阀安装于所述第一流体管路和所述第二流体管路连接处。
  9. 根据权利要求8所述的饮品冲泡设备的管路系统，其特征在于，所述三通阀为两位三通常开型电磁阀，其中常开口连接所述第一流体管路的出口端。
  10. 一种饮品冲泡设备，其特征在于，包含权利要求1-9任一项所述的饮品冲泡设备的管路系统。
  11. 一种如权利要求1-9任一项所述的饮品冲泡设备的管路系统的工作方法，其特征在于，包含如下步骤：
    S1、根据饮品冲泡设备指示选择管路系统的工作模式；
    S2、主机控制单元根据选择启动相应的工作模式；
    S3、控制组件按照所选工作模式设定切换第一流体管路和第二流体管路通断来驱动排空全部或部分管路或排除液体；
    S4、控制组件在设定时间后或饮品冲泡设备下次启动后自动复位。
  12. 根据权利要求11所述的饮品冲泡设备的管路系统的工作方法，其特征在于，所述工作模式包含模式一、模式二、模式三中的任意一种或多种，所述模式一为排空第一流体管路第二部分管路的液体；所述模式二为排空整个所述第一流体管路内的液体；所述模式三用于对所述冲泡单元、第一流体管路的部分或全部清洗时清洗液的排除，以及清洗后第一流体管路的排空。
  13. 根据权利要求12所述的饮品冲泡设备的管路系统的工作方法，其特征在 于，所述模式一包含如下步骤：
    S3a：控制组件切换使饮品出口至第二流体管路畅通，排空第一流体管路第二部分管路中的液体。
  14. 根据权利要求13所述的饮品冲泡设备的管路系统的工作方法，其特征在于，所述模式二在模式一的步骤S3a之后，增加步骤：
    S3b：使第一流体管路第一部分管路与外界大气压相通，控制组件切换使第一流体管路或第二流体管路其中之一畅通，使得第一流体管路第一部分管路中的液体通过第一流体管路或第二流体管路排出。
  15. 根据权利要求14所述的饮品冲泡设备的管路系统的工作方法，其特征在于，所述模式三在模式一、二的基础上，在步骤S3a之前，增加步骤：
    S3c：控制组件切换使第一流体管路或第二流体管路其中之一畅通，向冲泡单元中输入清洁液体，清洁液体通过第一流体管路或第二流体管路排出，对冲泡单元及第一流体管路的全部或部分进行清洗。
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